17-2 Netra Internet Server 3.1 User’s Manual—September 1996
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• Mail Notification (comsat): Allows the Netra server to detect incoming mail
and notify local users logged into the Netra server.
• Talk Program (talk): Allows users on remote systems to enter lines of text
on one machine and have them appear on the terminal of someone logged
into the Netra server. (Remote users can thus “chat” with users on the Netra
server.)
• Distributed System Admin (sadmind): Allows remote users to perform
distributed system administration operations on the Netra server.
• Network File System Quota (quotad): Allows for notification if users use
more than an allocated amount of disk space on the Netra server.
• User Info (rusers): Allows a remote user to check which users are logged
into the Netra server.
• Diagnostic Packet Tester (spray): Allows a remote user to send a one-way
stream of packets to the Netra server to see how many are received and at
what rate.
• Broadcast Messages (rwall): Allows a single message from a remote user to
be sent to all users logged into the Netra server.
• UNIX-to-UNIX Copy (uucp): Allows remote copy exchanges between a
remote machine and the Netra server.
• Trivial Name Server (tnamed): A server that supports the DARPA trivial
name server protocol.
• Calendar Manager (cmsd): Allows remote users to check the Calendar
Manager entries of a user with an account on the Netra server.
You can decide which hosts will have access to the various network services
offered by the Netra server using either the Network Service Access module or
the FireWall-First!™ module. Note that the FireWall-First! settings take
precedence over those in the Network Service Access module.
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